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Used mouthwash at home, past 2 weeks

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For persons in 1989 who had not lost all of their teeth and for all sample persons in 1998, MWASH reports if the person used a mouthwash or mouthrinse at home in the past two weeks.


Changes in the universe may affect the comparability of this variable. As always, data users should use the prescribed IPUMS NHIS weights.


  • 1989: All persons who have not lost all their teeth.
  • 1998: Sample adults age 18+ and sample children under age 18.


  • 1989, 1998